From: A Ramp Cosine Cepstrum Model for the Parameter Estimation of Autoregressive Systems at Low SNR
True parameters | Estimated parameters | ||||
---|---|---|---|---|---|
Proposed method | ILSF method | SSYW method | MLSYW method | ||
| 2.6770 | 2.6658 | 1.3437 | 0.9891 | 1.0753 |
(0.0349) | (0.5077) | (0.6716) | (0.1074) | ||
(0.0367) | (1.4267) | (1.8166) | (1.6053) | ||
| 2.5894 | 2.5517 | 0.4403 | 0.1136 | 0.1118 |
(0.0760) | (1.0037) | (0.7117) | (0.1799) | ||
(0.0859) | (2.3719) | (2.5760) | (2.7071) | ||
| 0.8970 | 0.8763 | 0.0868 | 0.2214 | 0.5107 |
(0.0439) | (0.6053) | (0.3641) | (0.1013) | ||
(0.0496) | (1.1551) | (1.1762) | (1.4114) | ||
ASSE (dB) | 24.93 | 4.25 | 5.13 | 6.05 |